package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;

public interface BrandMapper extends Mapper<Brand> {
    /**
     * 根据分类名称查询品牌列表
     * @param categoryName
     * @return
     */
    @Select("SELECT name, image FROM tb_brand WHERE id IN(SELECT brand_id FROM tb_category_brand WHERE category_id IN(SELECT id FROM tb_category WHERE name = #{name}))")
    List<Brand> findListByCategoryName(@Param("name") String categoryName);

}
